规则名词的复数形式：
名词的复数形式,一般在单数形式后面加-s或
-es.现将构成方法与读音规则列表如下：
规则 例词
1 一般情况在词尾加-s map-maps,sea-seas,
girl-girls,day-days
2 以s,x,ch,sh结尾的名词后加-es class-clas
ses,box-boxes,watch-watches,dish-dishes
3 以-f或-fe结尾的词 变-f和-fe为v再加-es leaf
-leaves,thief-thieves,knife-knives,loaf-loav
es,wife-wives
加-s belief-beliefs,chief-chiefs,proof-proofs,
roof-roofs,gulf-gulfs
4 以辅音字母加y结尾的名词,变y为i加-es pa
rty-parties,family-families,story-stories,city
-cities
5 以元音字母加y结尾的名词,或专有名词以y
结尾的,加-s toy-toys,boy-boys,day-days,r
ay-rays,Henry-Henrys
6 以辅音字母加-o结尾的名词 一般加-es hero
-heroes,Negro-Negroes,potato-potatoes,to
mato-tomatoes
不少外来词加-s piano-pianos,photo-photos,
auto-autos,kilo-kilos,solo-solos
两者皆可 zero-zeros/zeroes,volcano-volcan
oes/ volcanos
7 以元音字母加-o结尾的名词加-s radio-radio
s,bamboo-bamboos,zoo-zoos
8 以-th结尾的名词加-s truth-truths,mouth-
mouths,month-months,path-paths,